ICD-10 Logo
ICDxICD-10 Medical Coding
ICD-10 Logo
ICDxICD-10 Medical Coding
ICD 10 CodesDiagnoses
ICD 10 CodesDiagnoses
ICD-10 Logo
ICDxICD-10 Medical Coding

Comprehensive ICD-10-CM code reference with AI-powered search capabilities.

© 2025 ICD Code Compass. All rights reserved.

Browse

  • All Chapters
  • All Categories
  • Diagnoses

Tools

  • AI Code Search
ICD-10-CM codes are maintained by the CDC and CMS. This tool is for reference purposes only.
v1.0.0
ICD-10 Guide
ICD-10 CodesR06.81

R06.81

Apnea, not elsewhere classified

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/11/2025

Code Description

ICD-10 R06.81 is a billable code used to indicate a diagnosis of apnea, not elsewhere classified.

Key Diagnostic Point:

Apnea is defined as a temporary cessation of breathing, typically occurring during sleep, but can also occur in other contexts. This condition can manifest as obstructive apnea, central apnea, or mixed apnea, and may present with symptoms such as excessive daytime sleepiness, loud snoring, and observed episodes of breathing cessation during sleep. In some cases, apnea may be associated with other underlying conditions such as obesity, neurological disorders, or respiratory diseases. The diagnosis of apnea not elsewhere classified is used when the specific type of apnea is not documented or when the apnea does not fit into the established categories. Clinical evaluation often includes a thorough history, physical examination, and may involve polysomnography or other sleep studies to confirm the diagnosis and assess the severity of the condition. Laboratory findings may include arterial blood gas analysis, which can reveal hypoxemia or hypercapnia during apneic episodes. Accurate documentation is crucial for proper coding and management of the condition.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of potential underlying causes
  • Need for comprehensive patient history
  • Differentiation from other sleep disorders
  • Potential for co-morbid conditions

Audit Risk Factors

  • Inadequate documentation of symptoms
  • Failure to specify the type of apnea
  • Misclassification with other respiratory conditions
  • Lack of supporting diagnostic tests

Specialty Focus

Medical Specialties

Internal Medicine

Documentation Requirements

Detailed patient history, including sleep patterns, comorbidities, and any previous sleep studies.

Common Clinical Scenarios

Patients presenting with fatigue, sleep disturbances, or cardiovascular issues potentially related to apnea.

Billing Considerations

Consideration of comorbid conditions such as obesity or heart failure that may complicate the diagnosis.

Emergency Medicine

Documentation Requirements

Acute assessment of respiratory status, vital signs, and immediate interventions taken.

Common Clinical Scenarios

Patients presenting with acute respiratory distress or altered mental status potentially due to apnea.

Billing Considerations

Rapid assessment and documentation of airway management and any resuscitative measures taken.

Coding Guidelines

Inclusion Criteria

Use R06.81 When
  • Follow the official ICD
  • CM coding guidelines, ensuring that the diagnosis is supported by clinical documentation and that the code is used appropriately when no other specific diagnosis is applicable

Exclusion Criteria

Do NOT use R06.81 When
No specific exclusions found.

Related CPT Codes

95810CPT Code

Polysomnography

Clinical Scenario

Used to diagnose sleep apnea when symptoms are present.

Documentation Requirements

Documentation of sleep study results and clinical symptoms leading to the study.

Specialty Considerations

Sleep specialists may require additional documentation regarding the patient's sleep history.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of apnea-related conditions, improving the ability to capture the nuances of patient presentations and treatment needs.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of apnea-related conditions, improving the ability to capture the nuances of patient presentations and treatment needs.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of apnea-related conditions, improving the ability to capture the nuances of patient presentations and treatment needs.

Resources

Clinical References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Coding & Billing References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Frequently Asked Questions

What should I document to support the use of R06.81?

Document the patient's symptoms, any diagnostic tests performed, and the clinical rationale for the diagnosis of apnea not elsewhere classified.